Home / 21,625.68-32,440.41-6,830.76

Finding the Fourth Proportional to 21,625.68, 32,440.41 and 6,830.76

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Solution

The fourth proportional to 21,625.68, 32,440.41 and 6,830.76 is: 10,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.68 : 32,440.41 = 6,830.76 : x
  2. Step 2: Convert to fraction form
    21,625.68/32,440.41 = 6,830.76/x
  3. Step 3: Cross multiply
    21,625.68x = 32,440.41 × 6,830.76
  4. Step 4: Simplify right side
    21,625.68x = 221,592,655.01
  5. Step 5: Solve for x
    x = 221,592,655.01/21,625.68
  6. Step 6: Final answer
    x = 10,246.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.